Home / 769,485.98-1,154,229.28-200,865.51

Finding the Fourth Proportional to 769,485.98, 1,154,229.28 and 200,865.51

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Solution

The fourth proportional to 769,485.98, 1,154,229.28 and 200,865.51 is: 301,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,485.98 : 1,154,229.28 = 200,865.51 : x
  2. Step 2: Convert to fraction form
    769,485.98/1,154,229.28 = 200,865.51/x
  3. Step 3: Cross multiply
    769,485.98x = 1,154,229.28 × 200,865.51
  4. Step 4: Simplify right side
    769,485.98x = 231,844,852,481.97
  5. Step 5: Solve for x
    x = 231,844,852,481.97/769,485.98
  6. Step 6: Final answer
    x = 301,298.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.